Proceedings of the annual meeting ... [1st- 1920 National association of state foresters. creator text book [Harrisburg, Pa 1921- 1921
print
ENG [First] is Pennsylvania. Dept. of forestry. Bulletin no. 23, which has title: Proceedings of State foresters' conference. Forests and forestry Societies SD1 .N25 https://www.biodiversitylibrary.org/bibliography/43488 agr22000616 10.5962/bhl.title.43488 DLC